Brand Name: KLASVSA Hand Instrument: No Voltage: ＜50V AC Electronic: Yes Power Supply: Battery powered Is Batteries Included: Yes Origin: Mainland China Material: Cotton, ABS Item Type: Massage & Relaxation Certification: CE Size: Medium Application: Neck Features: Neck massager Item Type: Massage Relaxation Material: Frabic+high rebound memory foam Features 2: Portable multifunctional cervical massage Features 3: Neck massage Occasion: Home Car Office Features 4: Heating Kneading Massager Function: Pain Relief